RFID Expandable Travel Convertible Crossbody Bag Black. Youâve got it all in the bag!!! Function and style combine in this ever- chic crossbody bag with a classic hue, crafted from durable crisp nylon, this lightweight yet sturdy bag features a zip-around gusset that expands the size when you need a bit of extra room. An organized pocket lined interior with RFID card slots, keeps essentials safely stowed as the wide adjustable strap makes for comfy cross-town toting.